<template>
    <div>
<h1>联系方式</h1>
<div class="test"></div>
    </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'

export default defineComponent({
    setup () {
        

        return {}
    }
})
</script>

<style scoped>
.test{
    width: 100px;
    height: 20px;
    background-color: aqua;
    transition-property: width;
    transition-duration: 1s;
}
</style>